/* 基础设置 */
html,
body {
    margin: 0px;
    padding: 0px;
}

body {
    background-color: #111111;
    color: #eeeeee;
    font-size: 16px;
    font-family: "楷体", "Courier New";
}

/* 水平居中 */
body {
    display: flex;
    justify-content: center;
}

.container {
    width: 80%;
}

/* 垂直居中 */
body {
    min-height: 100vh;
    align-items: center;
}

.container {
    height: 80vh;
}

/* 其它 */
.container {
    background-color: #333333;
    padding: 10px;
}
